Croppie
A Javascript Image Cropper
Winjs
WinJS project by Microsoft Open Technologies
Canvg
Javascript SVG parser and renderer on Canvas
Big.js
A small, fast JavaScript library for arbitrary-precision decimal arithmetic.
Derby
MVC framework making it easy to write realtime, collaborative applications that run in both Node.js and browsers
jQuery Lazyload
jQuery plugin for lazy loading images
Autosize
jQuery plugin for dynamic textarea sizing
Egret Core
Egret is a brand new open mobile game and application engine which allows you to quickly build mobile games and apps on Android,iOS and Windows.
Color
JavaScript color conversion and manipulation library
Notie.js
A clean and simple notification plugin (alert/growl style) for javascript, with no dependencies.
Benchmark.js
A benchmarking library that works on nearly all JavaScript platforms, supports high-resolution timers, and returns statistically significant results. As used on jsPerf.com.
Tiny Color
Fast, small color manipulation and conversion for JavaScript
Sound JS
A Javascript library for working with Audio. Features a simple interface as the front end to multiple audio APIs via a plugin model. Currently supports HTML5 Audio & Flash.
jQuery Knob
Nice, downward compatible, touchable, jQuery dial
Liquidfun
2D physics engine for games
Aleph.js
The Full-stack Framework in Deno.
Hashids.js
A small JavaScript class to generate YouTube-like hashids from one or many numbers. This is a client-side version of Node.js version.